Intake manifold



FIG. 1 is a front, right, top perspective view of an intake manifold;

FIG. 2 is a rear, bottom perspective view thereof;

FIG. 3 is a right side thereof;

FIG. 4 is a left side thereof;

FIG. 5 is a back view thereof;

FIG. 6 is a front view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines show features of the intake manifold that form no part of the claimed design. 

CLAIM The ornamental design for an intake manifold, as shown and described. 